Schuh, W. Schweizer Musiker-Lexikon, 1964 (Raff, Joseph Joachim; b. May 27, 1822, Lachen; d. June 4, 1882, Frankfurt)
Grove music online, June 2, 2015 (Raff, (Joseph) Joachim; born May 27, 1822, Lachen, near Zürich, died June 24/25, 1882, Frankfurt; German composer, critic, and teacher)
OCLC, June 2, 2015 (usage: Joachim Raff, J. Raff, Raff)